/*---------------------------------------------------------------------------*\
OneFLOW - LargeScale Multiphysics Scientific Simulation Environment
Copyright (C) 2017-2023 He Xin and the OneFLOW contributors.
-------------------------------------------------------------------------------
License
This file is part of OneFLOW.

OneFLOW is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

OneFLOW is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with OneFLOW.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "SolverDetailCpu.h"
#include "Cmpi.h"
#include <cstdio>

void SolverInitCpu()
{
    Cmpi::num_gpus = 0;
    std::printf("no CUDA capable devices were detected\n");
}

void CfdCopyVectorCpu( float * a, float * b, int ni )
{
    for ( int i = 0; i < ni; ++ i )
    {
        a[ i ] = b[ i ];
    }
}

void CfdScalarUpdateCpu( float * q, float * qn, float c, float * timestep, float * ds, int ni )
{
    for ( int i = 1; i < ni + 1; ++ i )
    {
        float cfl = c * timestep[ i ] / ds[ i ];
        q[ i ] = qn[ i ] - cfl * ( qn[ i ] - qn[ i - 1 ] );
    }
}

